Fluid and Lubricant Recommendations

Usage	Fluid/Lubricant
Engine Oil	Engine oil with the American Petroleum Institute Certified for Gasoline Engines STARBURST symbol of the proper viscosity
Engine Coolant	50/50 mixture of clean drinkable water and use only GM Goodwrench® DEX-COOL® or Havoline® DEX-COOL® coolant
Hydraulic Brake System	Delco Supreme 11® Brake Fluid GM P/N 12377967 (Canadian P/N 992667) or equivalent DOT-3 brake fluid
Windshield Washer Solvent	GM Optikleen® Washer Solvent GM P/N 1051515 (Canadian P/N 993033) or equivalent
Hydraulic Clutch System	Hydraulic Clutch Fluid GM P/N 12345347 (Canadian P/N 1095351) or equivalent DOT-3 brake fluid
Power Steering System	GM Power Steering Fluid GM P/N 1052884 - 1 pint, 1050017 - 1 quart (Canadian P/N 993294 - 1 pint, 992646 - 1 quart) or equivalent
Automatic Transmission	DEXRON®-III, Automatic Transmission Fluid
Key Lock Cylinders	Multi-Purpose Lubricant, Superlube® GM P/N 12346241 (Canadian P/N 10953474) or equivalent
Floor Shift Linkage	Lubriplate® Lubricant Aerosol GM P/N 1052349 (Canadian P/N 992723) or equivalent or lubricant meeting requirements of NLGI # 2 Category LB or GC-LB
Chassis Lubrication	Chassis Lubricant GM P/N 12377985 or equivalent or lubricant meeting requirements of NLGI # 2 Category LB or GC-LB
Front Axle	SAE 80W-90 Axle Lubricant GM P/N 1052271 (Canadian P/N 10953455) or equivalent
Rear Axle	SAE 75W-90 Synthetic Axle Lubricant GM P/N 12378261 (Canadian P/N 10953455) or equivalent meeting GM Specification 9986115
Rear Axle (with NYS Quadrasteer Axle Only)	SAE 75W-90 Synthetic Axle Lubricant GM P/N 12378557 (Canadian P/N 88901362) or equivalent. Do not add friction modifier.
Automatic Transfer Case (NP8 Only)	AUTO-TRAK II Fluid GM P/N 12378508 (Canadian P/N 10953626)
Automatic transfer Case (NP3, NR3, NR4)	Dexron® III Automatic Transmission Fluid
Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive with Auto. Trans.)	Spline Lubricant, Special Lubricant GM P/N 12345879 (Canadian P/N 10953511) or lubricant meeting requirements of GM 9985830
Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor and Release Pawl	Lubriplate® Lubricant Aerosol GM P/N 1052349 (Canadian P/N 992723) or equivalent or lubricant meeting requirements of NLGI # 2, Category LB or GC-LB
Hood Hinges	Multi-Purpose lubricant, Superlube® GM P/N 12346241 (Canadian P/N 10953474) or equivalent
Body Door Hinge Pins, Liftgate Hinge and Linkage, Folding Seats and Fuel Door Hinge	Multi-Purpose lubricant, Superlube® GM P/N 12346241 (Canadian P/N 10953474) or equivalent
Outer Tailgate Handle Pivot Points	Multi-Purpose lubricant, Superlube® GM P/N 12346241 (Canadian P/N 10953474) or equivalent
Weatherstrip Conditioning	Dielectric Silicone Grease GM P/N 12345579 (Canadian P/N 1974984) or equivalent
Weatherstrip Squeaks	Synthetic Grease with Teflon, Superlube® GM P/N 12371287 (Canadian P/N 10953437) or equivalent